package com.l.shirodemo.utils;

import org.apache.shiro.codec.Base64;
import org.apache.shiro.session.Session;

import java.io.*;

public class SerializableUtils {
    /**
     * 序列化
     *
     * @param session
     * @return
     */
    public static String serialize(Session session) {
        try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
             ObjectOutputStream oos = new ObjectOutputStream(bos);) {
            oos.writeObject(session);
            return Base64.encodeToString(bos.toByteArray());
        } catch (Exception e) {
            throw new RuntimeException("session serialize error", e);
        }
    }

    /**
     * 反序列化
     *
     * @param sessionStr
     * @return
     */
    public static Session deserialize(String sessionStr) {
        try (ByteArrayInputStream bis = new ByteArrayInputStream(Base64.decode(sessionStr));
             ObjectInputStream ois = new ObjectInputStream(bis);
        ) {
            return (Session) ois.readObject();
        } catch (Exception e) {
            throw new RuntimeException("session deserialize error", e);
        }

    }
}
